using System;
using System.Threading;
using System.Threading.Tasks;
using AsbCloudApp.Data.ProcessMaps;
using AsbCloudApp.Exceptions;
using AsbCloudApp.Repositories;
using AsbCloudApp.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace AsbCloudWebApi.Controllers.ProcessMaps;

/// <summary>
/// РТК
/// </summary>
[ApiController]
[Route("api/well/{idWell}/[controller]")]
[Authorize]
public abstract class ProcessMapBaseController<TProcessMap> : ControllerBase
    where TProcessMap : ProcessMapBaseDto
{
    protected int IdUser
    {
        get
        {
            var idUser = User.GetUserId();

            if (!idUser.HasValue)
                throw new ForbidException("Неизвестный пользователь");

            return idUser.Value;
        }
    }

    protected readonly IWellService wellService;
    protected readonly IRepositoryWellRelated<TProcessMap> repository;
    protected readonly IUserRepository userRepository;

    protected ProcessMapBaseController(IWellService wellService,
        IRepositoryWellRelated<TProcessMap> repository,
        IUserRepository userRepository)
    {
        this.wellService = wellService;
        this.repository = repository;
        this.userRepository = userRepository;
    }

    /// <summary>
    /// Создание РТК
    /// </summary>
    /// <param name="processMap">Тело запроса</param>
    /// <param name="idWell">Id скважины</param>
    /// <param name="cancellationToken"></param>
    /// <returns></returns>
    [HttpPost]
    [ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public virtual async Task<IActionResult> InsertAsync(TProcessMap processMap, int idWell, CancellationToken cancellationToken)
    {
        processMap.IdWell = idWell;
        processMap.IdUser = IdUser;
        processMap.LastUpdate = DateTime.UtcNow;

        await AssertUserHasAccessToEditProcessMapAsync(processMap.IdWell, cancellationToken);

        var result = await repository.InsertAsync(processMap, cancellationToken);

        return Ok(result);
    }

    /// <summary>
    /// Обновление РТК
    /// </summary>
    /// <param name="processMap">Тело запроса</param>
    /// <param name="idWell">Id скважины</param>
    /// <param name="cancellationToken"></param>
    /// <returns></returns>
    [HttpPut]
    [ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public virtual async Task<IActionResult> UpdateAsync(TProcessMap processMap, int idWell, CancellationToken cancellationToken)
    {
        processMap.IdWell = idWell;
        processMap.IdUser = IdUser;
        processMap.LastUpdate = DateTime.UtcNow;

        await AssertUserHasAccessToEditProcessMapAsync(idWell, cancellationToken);

        var result = await repository.UpdateAsync(processMap, cancellationToken);

        if (result == ICrudRepository<TProcessMap>.ErrorIdNotFound)
            return this.ValidationBadRequest(nameof(processMap.Id), $"РТК с Id: {processMap.Id} не существует");

        return Ok(result);
    }

    /// <summary>
    /// Удаление РТК
    /// </summary>
    /// <param name="idWell">Id скважины</param>
    /// <param name="cancellationToken"></param>
    /// <returns></returns>
    [HttpDelete]
    [ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public virtual async Task<IActionResult> DeleteAsync(int idWell, CancellationToken cancellationToken)
    {
        await AssertUserHasAccessToEditProcessMapAsync(idWell, cancellationToken);

        var result = await repository.DeleteAsync(idWell, cancellationToken);

        return Ok(result);
    }

    /// <summary>
    /// Получение РТК по Id скважины
    /// </summary>
    /// <param name="idWell">Id скважины</param>
    /// <param name="cancellationToken"></param>
    /// <returns></returns>
    [HttpGet]
    [ProducesResponseType(StatusCodes.Status204NoContent)]
    public async Task<IActionResult> GetAsync(int idWell, CancellationToken cancellationToken)
    {
        var processMaps = await repository.GetByIdWellAsync(idWell, cancellationToken);

        return Ok(processMaps);
    }

    protected virtual async Task AssertUserHasAccessToEditProcessMapAsync(int idWell,
        CancellationToken cancellationToken)
    {
        var well = await wellService.GetOrDefaultAsync(idWell, cancellationToken)
                   ?? throw new ArgumentInvalidException(nameof(idWell),$"Скважины с {idWell} не существует");

        var idCompany = User.GetCompanyId();

        if (!idCompany.HasValue ||
            !await wellService.IsCompanyInvolvedInWellAsync(idCompany.Value, idWell, cancellationToken))
            throw new ForbidException("Нет доступа к скважине");

        if (well.IdState == 2 && !userRepository.HasPermission(IdUser, "WellDrillingProcessMap.editCompletedWell"))
            throw new ForbidException("Недостаточно прав для редактирования РТК завершенной скважины");
    }
}